How would a Terminator reboot work?

I think just the first 2 films should be rebooted, and it should show some more future stuff like Kyle having flashbacks. Share some ideas for changes and cast below:

Bruce Willis as The Terminator,

Isabella Acres as Sarah Connor,

Matthew McConaughey as Kyle Reese,

Jim Carrey as Ed Traxler,

Samuel L. Jackson as Vukovich,

Ken Jeong as Dr. Silberman,

Mackenzie Foy as Ginger,

and Pete Davidson as Matt.